Python 3.14 has been released in October 2025 and has entered Debian testing https://packages.debian.org/search?keywords=python3.14.
That came up with https://gerrit.wikimedia.org/r/c/operations/software/cumin/+/1260081 which added testing for Python 3.14 in the list of tox environments.
Reference: T396273: Add Python 3.13 to Wikimedia CI
| Subject | Repo | Branch | Lines +/- | |
|---|---|---|---|---|
| jjb: update tox jobs to support Python 3.14 | integration/config | master | +18 -18 | |
| dockerfiles: add support for Python 3.14 | integration/config | master | +68 -3 |
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Resolved | Xqt | T421723 Add CI tests with Python 3.14 | |||
| Resolved | hashar | T421209 Add Python 3.14 to Wikimedia CI |
Change #1260631 had a related patch set uploaded (by Hashar; author: Hashar):
[integration/config@master] dockerfiles: add support for Python 3.14
Change #1260632 had a related patch set uploaded (by Hashar; author: Hashar):
[integration/config@master] jjb: update tox jobs to support Python 3.14
Change #1260631 merged by jenkins-bot:
[integration/config@master] dockerfiles: add support for Python 3.14
Mentioned in SAL (#wikimedia-releng) [2026-03-25T10:01:52Z] <hashar> Updating tox Jenkins jobs to add support for Python 3.14 | https://gerrit.wikimedia.org/r/1260632 | T421209
Change #1260632 merged by jenkins-bot:
[integration/config@master] jjb: update tox jobs to support Python 3.14